Alright, let's work through 9405 times 1344 step by step
9405 × 1344 = 1344 × (9405)
+ 1344 × 5 that results in 6720
+ 1344 × 00 that is equal 0
+ 1344 × 400 that equals 537600
+ 1344 × 9000 resulting in 12096000

= 12640320
